-42.71% is the change from 487 to 279
Calculation steps:
[( 279 - 487 ) ÷ 487] x 100 = -42.71%
Formula
Percentage change = [(279 - 487) / 487] x 100
Subtract the new number by the original number
279 - 487 = -208
-208 ÷ 487 = -0.4271047227926078
-0.4271047227926078 x 100 = -42.71%